The purpose of this study is to determine whether the Optimal Acuity Clear-K® Low Vision Aid System provides a safe and effective treatment to improve vision for patients with age-related macular degeneration.
The Optimal Acuity Clear-K® Low Vision Aid System treats corneas with near infrared light in order to change the modulus of small volumes of anterior stromal corneal tissue. The change of modulus produces a change of corneal stiffness and shape that modifies the distribution of light onto the retina. Light rays are redirected from dysfunctional areas of the retina that have been damaged by age-related macular degeneration (AMD) to functional areas of the retina, thereby improving patient vision. 200 AMD patients meeting eligibility requirements will be treated. The study will record and analyze pre-treatment (Tx) and post-Tx examinations with follow-up extending to 24 months post-Tx. Analysis will include descriptive statistics and measures of correlation between outcomes and patient baseline characteristics. The primary objective of the study is to evaluate the safety and effectiveness of Clear-K® treatment in providing vision improvement to AMD patients.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
200
The treatment involves irradiation of the cornea with low energy light in a treatment pattern that produces corneal shape change.
1929 Bayview Ave., Suite 117
Toronto, Ontario, Canada
Best spectacle-corrected distance visual acuity (CDVA) changes from baseline to 24 months post-Tx
CDVA will be measured using ETDRS letter scoring both pre-Tx and post-Tx with follow-up to 24 months post-Tx
Time frame: Through study completion, an average of 2 years
Visual Function Questionnaire (VFQ)-25 quality of life assessment
The VFQ-25 instrument will be used to assess patient quality of life measures.
Time frame: Through study completion, an average of 2 years
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